D is the answer, hope this helps
Answer:
The manipulated variable is plant A listening to classical music.
The responding variable is plant B just there growing lol, its the control group.
Explanation:
Large amounts of pollution displacement of local wild life crammed living conditions streets tend to be dirty large amount of crime
Software development. A software developer designs and creates tech which can be used for multiple purposes, both creative, practical and for entertainment purposes. A digital music manager would fall into the category of being some software in which a user could develop a method to manage music.
